MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:65:B0:00 /36
Vendor address12249 Levan Livonia MI US 48150
Country🇺🇸 United States
RegisteredAug 31, 2014
Block range70:B3:D5:65:B0:00– 70:B3:D5:65:BF:FF
Address capacity4,096
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
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70:B3:D5:65:A0:00 /36
Aplex Technology Inc.
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70:B3:D5:65:C0:00 /36
Aplex Technology Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Roush holds 1 registered blocks in the IEEE registry, ranking #24,813 of 33,427 organizations by block count.